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OCT 1. 更新并发请求预分配IP地址时，不同MAC分配同一个IP地址问题

This commit is contained in:
黄昕 2023-05-15 17:37:53 +08:00
parent 7e0f1aa8ef
commit 664ba3505f
1 changed files with 7 additions and 2 deletions
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9
srcs/service/dhcpd/lease.c
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@ -15,6 +15,8 @@
//static PMAC_FILTER g_blackListTbl = NULL;
//static PPRE_ALLOC_IP g_pPreAllocIp = NULL;
static uv_mutex_t g_uvLock;
U32 lease_is_pre_assign(PDHCP_REQ pReq) {
char macStr[20] = {0};
U32 ipAddr;
@ -84,7 +86,6 @@ int pre_alloc_dhcp_res(PDHCP_REQ pReq, PDHCP_USER pUser, U32 *pOutIp, PPOOL_CTX
LL_FOREACH_SAFE(pUser->pUserPool, pPool, pTemp) {
U32 addr;
// 查看是否预分配过该设备
if ((addr = lease_is_pre_assign(pReq)) != 0) {
*pOutIp = addr;
@ -92,6 +93,7 @@ int pre_alloc_dhcp_res(PDHCP_REQ pReq, PDHCP_USER pUser, U32 *pOutIp, PPOOL_CTX
return ERR_SUCCESS;
}
uv_mutex_lock(&g_uvLock);
addr = pPool->minAddr;
do {
PLOCK_IP pLock;
@ -103,12 +105,13 @@ int pre_alloc_dhcp_res(PDHCP_REQ pReq, PDHCP_USER pUser, U32 *pOutIp, PPOOL_CTX
*pOutIp = addr;
*pOutPool = pPool;
db_add_pre_assign(pReq, addr, pPool);
uv_mutex_unlock(&g_uvLock);
return ERR_SUCCESS;
}
}
addr++;
} while (addr <= pPool->maxAddr);
uv_mutex_unlock(&g_uvLock);
}
// 清理所有超时的预分配IP
@ -121,6 +124,8 @@ int pre_alloc_dhcp_res(PDHCP_REQ pReq, PDHCP_USER pUser, U32 *pOutIp, PPOOL_CTX
int dhcp_lease_init() {
int rc;
uv_mutex_init(&g_uvLock);
rc = db_init_lease_database();
if (rc != ERR_SUCCESS) {